/*!
 * HTML entities dialog plugin for Editor.md
 *
 * @file        html-entities-dialog.js
 * @author      pandao
 * @version     1.2.0
 * @updateTime  2015-03-08
 * {@link       https://github.com/pandao/editor.md}
 * @license     MIT
 */

(function () {

    var factory = function (exports) {

        var $ = jQuery;
        var pluginName = "html-entities-dialog";
        var selecteds = [];
        var entitiesData = [];

        exports.fn.htmlEntitiesDialog = function () {
            var _this = this;
            var cm = this.cm;
            var lang = _this.lang;
            var settings = _this.settings;
            var path = settings.pluginPath + pluginName + "/";
            var editor = this.editor;
            var cursor = cm.getCursor();
            var selection = cm.getSelection();
            var classPrefix = _this.classPrefix;

            var dialogName = classPrefix + "dialog-" + pluginName, dialog;
            var dialogLang = lang.dialog.htmlEntities;

            var dialogContent = [
                '<div class="' + classPrefix + 'html-entities-box" style=\"width: 760px;height: 334px;margin-bottom: 8px;overflow: hidden;overflow-y: auto;\">',
                '<div class="' + classPrefix + 'grid-table">',
                '</div>',
                '</div>',
            ].join("\r\n");

            cm.focus();

            if (editor.find("." + dialogName).length > 0) {
                dialog = editor.find("." + dialogName);

                selecteds = [];
                dialog.find("a").removeClass("selected");

                this.dialogShowMask(dialog);
                this.dialogLockScreen();
                dialog.show();
            }
            else {
                dialog = this.createDialog({
                    name: dialogName,
                    title: dialogLang.title,
                    width: 800,
                    height: 475,
                    mask: settings.dialogShowMask,
                    drag: settings.dialogDraggable,
                    content: dialogContent,
                    lockScreen: settings.dialogLockScreen,
                    maskStyle: {
                        opacity: settings.dialogMaskOpacity,
                        backgroundColor: settings.dialogMaskBgColor
                    },
                    buttons: {
                        enter: [lang.buttons.enter, function () {
                            cm.replaceSelection(selecteds.join(" "));
                            this.hide().lockScreen(false).hideMask();

                            return false;
                        }],
                        cancel: [lang.buttons.cancel, function () {
                            this.hide().lockScreen(false).hideMask();

                            return false;
                        }]
                    }
                });
            }

            var table = dialog.find("." + classPrefix + "grid-table");

            var drawTable = function () {

                if (entitiesData.length < 1) return;

                var rowNumber = 20;
                var pageTotal = Math.ceil(entitiesData.length / rowNumber);

                table.html("");

                for (var i = 0; i < pageTotal; i++) {
                    var row = "<div class=\"" + classPrefix + "grid-table-row\">";

                    for (var x = 0; x < rowNumber; x++) {
                        var entity = entitiesData[(i * rowNumber) + x];

                        if (typeof entity !== "undefined") {
                            var name = entity.name.replace("&amp;", "&");

                            row += "<a href=\"javascript:;\" value=\"" + entity.name + "\" title=\"" + name + "\" class=\"" + classPrefix + "html-entity-btn\">" + name + "</a>";
                        }
                    }

                    row += "</div>";

                    table.append(row);
                }

                dialog.find("." + classPrefix + "html-entity-btn").bind(exports.mouseOrTouch("click", "touchend"), function () {
                    $(this).toggleClass("selected");

                    if ($(this).hasClass("selected")) {
                        selecteds.push($(this).attr("value"));
                    }
                });
            };

            if (entitiesData.length < 1) {
                if (typeof (dialog.loading) == "function") dialog.loading(true);

                $.getJSON(path + pluginName.replace("-dialog", "") + ".json", function (json) {

                    if (typeof (dialog.loading) == "function") dialog.loading(false);

                    entitiesData = json;
                    drawTable();
                });
            }
            else {
                drawTable();
            }
        };

    };

    // CommonJS/Node.js
    if (typeof require === "function" && typeof exports === "object" && typeof module === "object") {
        module.exports = factory;
    }
    else if (typeof define === "function")  // AMD/CMD/Sea.js
    {
        if (define.amd) { // for Require.js

            define(["editormd"], function (editormd) {
                factory(editormd);
            });

        } else { // for Sea.js
            define(function (require) {
                var editormd = require("./../../editormd");
                factory(editormd);
            });
        }
    }
    else {
        factory(window.editormd);
    }

})();
